224825261 has 2 divisors, whose sum is σ = 224825262. Its totient is φ = 224825260.

The previous prime is 224825257. The next prime is 224825281. The reversal of 224825261 is 162528422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213306025 + 11519236 = 14605^2 + 3394^2 .

It is a cyclic number.

It is not a de Polignac number, because 224825261 - 2² = 224825257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224825281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112412630 + 112412631.

It is an arithmetic number, because the mean of its divisors is an integer number (112412631).

Almost surely, 2^224825261 is an apocalyptic number.

It is an amenable number.

224825261 is a deficient number, since it is larger than the sum of its proper divisors (1).

224825261 is an equidigital number, since it uses as much as digits as its factorization.

224825261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 32.

The square root of 224825261 is about 14994.1742353489. The cubic root of 224825261 is about 608.0627072399.

The spelling of 224825261 in words is "two hundred twenty-four million, eight hundred twenty-five thousand, two hundred sixty-one".